Kawasaki kx 80 1988-1997. 2 stroke engine rebuild
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- เผยแพร่เมื่อ 6 ก.ย. 2024
- This is one of my first proper videos when I learned how to edit n stuff after buying a really good phone that allows lots of recording,as most of my vids before this were rushed and I only had a couple of minutes memory to record stuff, I edited wrong in the middle as I expected the crank to slide in easier, the crank installer was at my friend's so I took the engine there as he was still needing to use it and I forgot to record installing the crank sorry,. you can See this engine get put into another 1990 frame I've just bought for £120 I've still got the 2 1988 projects to do soon. I am uploading today thanks for watching,please share the vid contact me if you need a cheap rebuild done thanks verymuch👍
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We are so lucky to have someone like you make this video
Thanksalot brother thanks for watching 👍👍👍
Thank you this was really helpful!!
Thanks alot man thanks for watching👍
fantastic!! Watching this for my KX 500... bless you bro! Good stuff!
Thanks m8 hope u get it done there pretty easy with the right tools 👌
Bit of a long shot but im currently rebuilding a kx80 and i have this little tiny oil seal and i have no idea where it goes.
It could be the one for the top of the carb m8 pull back the black rubber back
Bought 1996 kx 80 150€ only rebuild top end and water pump nice vid
Thanks man good luck on rebuilding the rest👍
Good video. Thanks so much.
No problem bro thanks so much for watching👍👍
@@2strokemxclassics Do u know how much this engine differ from 1999 kx 80 engine?
Hi the 97 onwards had a powervalve, the bottom ends are the same apart from a 99 will have a powervalve governer and a rod coming out of the casing
@@2strokemxclassics Thanks
Thanks!
No probs thanks for watching👍
❤❤❤❤❤❤❤
This video was so helpful thanks man and I do have a question tho iv got 2 big rings with my clutch plate they’re both slightly different and im not sure on what way and where they go it’s a kx100 1995
Hi m8 thanks for watching glad it helped 🙂yeah they go onto the inner boss first and one of the clutch plates will have a larger diameter to fit over the spring and damper ring then the rest of the clutch plates and steel ones are fitted,I've put some together which haven't came to me with the damper ring or sometimes it's been on the 2 Nd clutch plate up like on Yamaha DTR 125 clutch's with the damper ring in the 2nd late up, but if you type into google kx 100 1995 parts diagram,then pick csml (as they do good diagrams) and you will see all the parts diagrams if you click onto the clutch diagram it will show you the 2 rings and the clutch late with the bigger diameter too,hope this helps bro👍
@@2strokemxclassics thank you so much for your help mate helped out a lot 😀
👍👍🙂
Do you know if a full engine rebuild kit from a kx80 1991 - 1997 would fit on a kx80 from 1988 - 1990
And do you know if the mitaka top end and bottom end parts are good?
I think they use a different crank on the 91 onwards I'm sure it's longer on the flywheel side than a 88 to 90 the cases are the same so all bearings and seals will fit, yeah mitaka are OK m8 I think I have the sizes of bearings and seals, do you have a 88 crank I have a rebuilt one on ebay
Brilliant video
Very informative 👍👍👍
Thankyou man thanks for watching👌👍
@@2strokemxclassics
You must be local to me
That certainly sounds like a northeast accent?
Yeah m8 county durham
Kan you asemble the gearbox from the other side
Yes m8
@@2strokemxclassics thanks for the ansver
No probs m8
The stud that the clynder/jug goes on can those come out or are they molded into the casing
There loctited in m8
RESPECT
Thanks my brother🙏❤️
With the gear changing shaft, should it have play in it? I rebuilt the clutch, put case back on and tightened, and it cracked my clutch cover? and I wondered if it is supposed to be stationary? I pushed on it and it moved slightly to the lefthand side of the bike. is that normal? I looked side on to the case and the shaft sticks out a little bit, and on the clutch case there is a little upstand which rests on the gear changing shaft and i would guess pushes it down to create tension for some reason? do you have any idea why it would have cracked my case?
Currently trying to JB weld it, I don't think it will work, so fingers crossed I can find a spare cover somewhere!
I'm not to sure, whereabouts has it cracked the case, the gearshaft should be tight in tooked behind clutch basket and not be able to move sideways, I am on insta same name as this but one word u can send some pics over👍
@@2strokemxclassics Ohhh, so its the rod the spring sits on/around, which tensions the gear selector, I'll send you a couple pics on insta too, once you accept, thanks mate
why whisper when doing an instruction video ? With sound it would have been awesome.
Probably one of the first videos I made, lots are like that I don't use a microphone
This is great-the title of the video says 1988-1997, I want to pick up a 1987, do you know how much different it would be to work on?
The 87 are exactly the same m8 only difference is the clutch basket bolts into the shaft were as on the 88 onwards the clutch baskets is held on by a nut all cases are the same 👍
Whats the difference in gearbox bearing on the years as iv got a hot rods gearbox bearing kit 1997 for mine that is exactly same as yours to look at but the kit has 2 large bearing with a race not just the one that I believe is the countershaft bearing and info would be grate thanks in advance jack.
Same bearings for all years m8 88 to 07, yav got ya 2 main bearings, next ones smaller to that are frontsprocket and the one behind the clutch basket, then yav 2 smaller balancer shaft, there is a needle bearing aswell a dunno if its came in the kit but normally ya can buy all the other bearing single but one neddle roller has to come from yamaha m8
@@2strokemxclassics wish i could send u a pick its got 2 large bearings with a little race on them exactly same and my cases only look like it accepts 1 if ya get me is there any way of finding the year from the engine numbers thanks jack.
Lee Lee on Facebook m8
Installed flywheel and stator, after tightening the flywheel nut, now it want crank? What could be the problem
Hi All a can think is stator could be catching on flywheel magnets, is it the correct stator and flywheel, if its not that maybes the crank is pulling over tight to main bearing when the flywheel is locking and pulling the crank
@@2strokemxclassics thanks for reply. Yes, correct stator… should I break it down again? what would be the solution?
No probs what I would do is take the flywheel/stator off make sure nothings catching when stators in wheel then take the barrell off and with stator off if it's moving OK put the flywheel an stator on an see if it's that, it sounds like it is to me check the gaps on each side of the crank with a feeler gauge. I normally leave a gap 0.17 wen pulling one half off the crank through then when ya put ya other side on the crank isn't pulled to tight to one side it you get what I mean, sometimes ya can tap with a rubber mallet and the crank will move over so it frees up. If you used a puller put it on primary drive side a pulled the crank back over a touched when it's locked with flywheel and stator it's happened to me on a dtr wen I pulled the crank on one side all the way tight to the main bearing with no gap and it locked up when I putted cases together
I’ve just traded for a 1994 kx80 with no crankcase breather will I need to split the cases to install it?
Hi yeah this engine is the same, you'll need to split m8
@@2strokemxclassics okay thanks thought I would be able to poke it in
I’m having an issue trying to tighten the water pump impeller bolt? Do you just tighten it until it spins the motor?
Hi They don't need tightened much just nip it like in the vid, you could even put a dab of loctite in, the torque is 8.5in(0.85kg-m, 73 in lb hope this helps
@@2strokemxclassics ok that’s what I thought, I just went until the motor spun over but it didn’t seem very tight. Thank you
No probs m8 it'll be tight enough how you have yours, the one in this eng is still tight and running good, they don't need much torque👍
@@2strokemxclassics would you have any spares for a 1990 kx100 buy any chance
It's all on ebay what I have m8 from 88 to 90 bikes,all 80cc bikes but nearly all the 100 parts are the same
Hey mate top video, just about to completely rebuild a 1998 do you know if there is much difference with that engine cheers
Thanks brother I'm not sure what this vid is but I have 88 to 97 and 97 to 2003 only differences are flywheels, stators and the oil pump casings are diferent but if yours is 98 it will have the newer one one which are easy to set bro. Good luck
Hi m8 just checked thought it was a yamaha video. On the kx 98 they have a powervalve bro there still easy to do though
To easy thanks for the reply cheers mate legend
How did you split the casing? I saw people using a tusk tool but any tips if you don’t have one yet?
I use the crank splitter tool but a rubber mallet will work, just tap front and back and tap front sprocket shaft it will come off
@@2strokemxclassics I’ll give it a try, thank you!
No probs take the flywheel side off first, put the nuts on each end of the crank threads so they don't get damaged 👍
Can u run them with out the plastic bit it kick start
Is it the tube part? You need that in to keep the spring in the shaft, there will be a hole were the spring fits into the shaft then the plastic part slides over
The clutch casing actually has a designed circle that pushed into the white part to keep it in, it won't work without the white part you could maybe make a part👍
Hi, i have just bought a 1988 kx80 I think the bottom end is no good ( I haven’t really looked in to it yet) do you know where I can find engine parts for it? Any help is appreciated thank you
Hi I always used ebay some parts aren't made now for them and most parts from 88 to 90 are in usa, it just depends what u need bottom end wise m8, there quite easy to fix tbh
Thanks mate, by anychance would you have a listen to a video I have taken of it and tell me what you think?
Also is there a way I can send it to you?
Yeah no probs send it to my insta it's the same name as this but all one word👍
@@2strokemxclassics thanks mate iv just requested your following